Question about Casio FX-300MS Calculator

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Please help me solve for g

20000=1355(1+g)^7

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Hello,
You want to isolate g, Ok. Start stripping it of all extraneous factors, by doing the inverse of each operation.
1. There is a 1355 multiplying the term with g: I divide by 1355 to get

(1+g)^7=20000/1355 = 14.7601476

2 The expression containing g is raised to the 7th power. So I do the inverse operation which is to extract the 7th root. If my previous result is still in [Ans] memory I write on my

(1+g) =[Ans][^](1/7) that gives 1.468970104

3. Now g is an expression that involves and addition. I perform a subtraction: I subtract the number 1. Assuming that my last result is still in [Ans] memory (I did not perform any other operation)

g=[Ans]-1 that gives 0.468970104

Hope you find this more instructive than just giving you the answer.

Posted on Sep 25, 2009

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